Numby icon
Numby icon

Numby

Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.

Numby screenshot 1

Cost / License

  • Freemium (Pay once)
  • Open Source (MIT)

Platforms

  • iPhone
  • iPad
  • Mac
  • visionOS
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Features

Properties

  1.  Lightweight
  2.  Privacy focused

Features

  1.  Ad-free
  2.  Syntax Highlighting
  3.  Dark Mode
  4.  No registration required
  5.  Works Offline
  6.  No Tracking
  7.  Command line interface
  8.  Currency Conversion
  9.  Natural Language Processing
  10.  Variables
  11.  Unit converter

Numby News & Activities

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Numby information

  • Developed by

    HK flagVivy Technologies
  • Licensing

    Open Source (MIT) and Freemium product.
  • Pricing

    One time purchase (perpetual license) that costs $6 + free version with limited functionality.
  • Written in

  • Alternatives

    51 alternatives listed
  • Supported Languages

    • English
    • Spanish
    • French
    • German
    • Japanese
    • Russian
    • Belarusian
    • Chinese

AlternativeTo Categories

Education & ReferenceOS & UtilitiesBusiness & Commerce

GitHub repository

  •  10 Stars
  •  0 Forks
  •  0 Open Issues
  •   Updated  
View on GitHub
Numby was added to AlternativeTo by Paul on and this page was last updated .
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What is Numby?

Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.

What makes Numby special:

Calculate Naturally Write "100 USD to EUR" or "5 meters to feet" - no complicated syntax. Numby understands what you mean.

Share Anywhere Export calculations as beautiful images, plain text, or shareable web links. Perfect for sharing work with colleagues, posting to social media, or saving for reference.

Variables & History Store values, reference them later, and keep a complete history of your calculations. Perfect for complex multi-step problems.

300+ Currencies Real-time conversion for fiat and cryptocurrencies. Rates update automatically and work offline.

Unit Conversion Length, distance, and more - convert between units with simple, natural commands.

Smart Percentages "20% of 500" or "100 + 15%" - calculate tips, discounts, and taxes effortlessly.

File Support Save your calculation sheets as .numby files. Great for budgets, project estimates, or recurring calculations.

Multilingual Full support for English, Spanish, Chinese, German, French, Japanese, Russian, and Belarusian.

Perfect for:

  • Quick daily calculations
  • Financial planning and budgeting
  • Unit conversions for travel or work
  • Students and professionals
  • Sharing calculations with teams
  • Anyone who wants a smarter calculator

Features: • Natural language input • Share as image, text, or web link • Variable storage and reuse • 300+ currency conversions • Automatic currency rate updates • Comprehensive unit conversion • Calculation history • Save and load calculation files • Syntax highlighting • Comment support for notes • Clean, native interface

Whether you're calculating tips, converting currencies while traveling, sharing results with your team, or working through complex calculations, Numby makes it simple.

No tracking, no data collection. Your calculations stay on your device.

Official Links